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PARIS, FRANCE - SEPTEMBER 28: Kristie Ahn of The United States of America plays a forehand during her Women's Singles first round match against Serena Williams of The United States of America on day two of the 2020 French Open at Roland Garros on September 28, 2020 in Paris, France. ( (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)

PARIS, FRANCE - SEPTEMBER 28: Kristie Ahn of The United States of America plays a forehand during her Women's Singles first round match against Serena Williams of The United States of America on day two of the 2020 French Open at Roland Garros on September 28, 2020 in Paris, France. ( (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)